Home / 16,182.31-22,338.47-10,880.20

Finding the Fourth Proportional to 16,182.31, 22,338.47 and 10,880.20

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Solution

The fourth proportional to 16,182.31, 22,338.47 and 10,880.20 is: 15,019.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,182.31 : 22,338.47 = 10,880.20 : x
  2. Step 2: Convert to fraction form
    16,182.31/22,338.47 = 10,880.20/x
  3. Step 3: Cross multiply
    16,182.31x = 22,338.47 × 10,880.20
  4. Step 4: Simplify right side
    16,182.31x = 243,047,021.29
  5. Step 5: Solve for x
    x = 243,047,021.29/16,182.31
  6. Step 6: Final answer
    x = 15,019.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.